For thousands of years people around the world have been chewing gum, the ancient Greeks flavored gum they got from the mastic tree, while Mayan people chewed gum they got from the sapodilla tree, but of course chewing gum in the US comes directly from the habit of native American Indians who used to chew the sap of spruce trees, which by the mid 1800s had been commercialized and was growing in popularity. Competing inventors […]